4Interpretation, &c.
(1)In this Act—
" Woman " means a woman of the age of eighteen years or upwards;
" Industrial undertaking " has the meaning assigned to it in the provisions set out in Part I of the Schedule to this Act.
(2)Save as therein expressly provided, the provisions of this Act are in addition to and not in derogation of any of the provisions of any other Act limiting times of employment.